/*
 * Copyright (c) 2009 LastFM.Desktop Anton Pavlik.
 * All Rights Reserved.
 * 
 * You may reproduce and distribute copies of the Work or Derivative Works thereof in any medium, 
 * with or without modifications, and in Source or Object form, provided that You meet the following 
 * conditions:
 * 1. You must give any other recipients of the Work or Derivative Works a copy of this License; and
 *
 * 2. You must cause any modified files to carry prominent notices stating that You changed the files; 
 * and
 *
 * 3. You must retain, in the Source form of any Derivative Works that You distribute, all copyright, 
 * patent, trademark, and attribution notices from the Source form of the Work, excluding those notices 
 * that do not pertain to any part of the Derivative Works.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); 
 * You may not use this file except in compliance with the License. 
 * You may obtain a copy of the License at 
 * 
 * http://www.apache.org/licenses/LICENSE-2.0 
 *
 * Unless required by applicable law or agreed to in writing, Licensor provides the Work 
 * (and each Contributor provides its Contributions) on an "AS IS" BASIS, WITHOUT WARRANTIES OR 
 * CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any warranties 
 * or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. 
 * YOU ARE SOLELY RESPONSIBLE FOR DETERMINING THE APPROPRIATENESS OF USING OR REDISTRIBUTING THE WORK
 * AND ASSUME ANY RISKS ASSOCIATED WITH YOUR EXERCISE OF PERMISSIONS UNDER THIS LICENSE. 
 */
package org.shake.lastfm.ui.controller;

import javax.swing.SwingWorker;

import org.shake.lastfm.model.Playlist;
import org.shake.lastfm.model.Track;
import org.shake.lastfm.net.LastFmCommunicator;
import org.shake.lastfm.net.TrackRipperEngine;
import org.shake.lastfm.swing.SwingJob;

public class PlaylistController
{
    private final TrackRipperEngine ripperEngine = new TrackRipperEngine();
    
    public void fetchPlaylist(final SwingJob<Playlist> swingJob)
    {
        final PlaylistRetriever retriever = new PlaylistRetriever()
        {
            @Override
            protected void done()
            {
                try
                {
                    swingJob.onJobDone( get() );
                } catch (Exception e)
                {
                    swingJob.onJobCanceled( e );
                }
            }
        };
        
        retriever.execute();
    }
    
    public void captureTrack(final SwingJob<Track> swingJob)
    {
        final Track trackToCapture = swingJob.readUI();
        new SwingWorker<Track, Void>()
        {
            @Override
            protected Track doInBackground() throws Exception
            {
                ripperEngine.capture(trackToCapture);
                return trackToCapture;
            }
            
            @Override
            protected void done()
            {
                try
                {
                    swingJob.onJobDone( get() );
                } catch (Exception e)
                {
                    swingJob.onJobCanceled( e );
                }
            }
        }.execute();
    }
    
    private abstract class PlaylistRetriever extends SwingWorker<Playlist, Void>
    {
        @Override
        protected Playlist doInBackground() throws Exception
        {
            Playlist pl = LastFmCommunicator.getInstance().retrievePlaylist();
            return pl;
        }
    }
}